Network protocol: 802.11N System: Support win 7, win 8, win 10 This network card has good signal and strong compatibility. It is suitable for all kinds of notebooks, all-in-ones, advertising players, industrial computers and other equipment with the same NGFF interface. Model: QCNFA222 Network card interface: NGFF Internet speed: 300Mbps Bluetooth 4.0 Frequency band: 2.4G Material:PCB colour:White+green Package Contents: 1 x network card Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.